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User manual Crate Amplifiers, model MegaBass

Manafacture: Crate Amplifiers
File size: 3.34 mb
File name: 57baa3e7-bf7c-4514-9f83-44bf83c7c367.pdf

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Si se usa en el modo bi amplificado, solo las señales graves aparecen en ésta salida. Si se usa en rango completo, señales de rango completo aparecen en esta salida. Señales que aparecen en esta salida no pueden ser procesadas por el circuito de coros. HIGH RANGE PREAMP OUT JACK (Z) Provided for routing preamplified signals to auxiliary equipment, such as a recording console, PA system, or additional power amplifiers. If the amplifier is operated in biamp mode, only high-frequency signals will appear at this jack. If the amplifier is operated in full range mode, full range signals will appear at this jack. Signals which appear at this jack may be processed by the chorus circuit. DDT'“ COMPRESSION Each of the two internal power amplifiers is equipped svith Peavey’s DDT'“ Compression (U.S. Patent 4,318,053). The DDT circuits will automatically engage to prevent clipping distortion within the power amplifiers. HIGH RANGE PREAMP OUT JACK (Z) (Hochton-Vorverstärker-Ausgang) Dieser Anschluss kann verwendet werden, um das vorverstärkte Signal an andere Geräte wie Bandmaschinen, Mischpulte etc. abzugeben. Im Biamp-Betrieb wird dabei nur der Hochton-Anteil ausgegeben, während im Full Range-Betrieb der gesamte Frequenzbereich ausgegeben wird. Signale, welche an diesem Anschluss erscheinen, können vom Chorus verarbeitet werden. DDT’“ COMPRESSION (DDT'“-Kompression) Jeder der zwei internen Endstufen ist mit Peavey’s DDT'"-Kompression (U.S. Patent 4,318,053) ausgjestattet. Die DDT'“-Kompression wird automatisch aktiviert um Verzerrungen durch zu hohe Pegel vorzubeugen. HIGH RANGE PREAMP OUT JACK (Z) (Sortie Préampli Aigus) En bi-amplification, cette prise reçoit seulement les fréquences aiguës. Elle peut alors alimenter un ampli de puissance supplémentaire. En mono-amplification, elle reçoit la totalité du signal et peutdonc être connectée à un magnétophone, à un ampli externe ou autre appareil. Les signaux présents sur cette prise peuvent être traités par le circuit de Chorus. DDT'“ COMPRESSION (Compression “D D T”) Chacun des deux amplificateurs de puissance incorporés est équipé d’un circuit de compression PEAVEY DDT (breveté 4.318.053). Ce circuit se met automatiquement en service en cas de besoin pour éviter une distorsion par écrêtage dans les amplis de puissance. HIGH RANGE PREAMP OUT JACK (Z) (Salida de Rango Agudo) Esta salida se usa para dirigir señales pre-amplificadas a equipo auxiliar como grabadoras, sistemas de voces, o un amplificador de poder. Si se usa en modo de bi-amplificacion, solo las señales agudas aparecen es ésta salida. Si se usa en rango completo, señales de rango completo aparecen en ésta salida. Las señales que aparecen en esta salida pueden ser procesadas por el circuito de coros. DDT'- COMPRESSION (DDT Compresión) Cada uno de los amplificadores internos estas equipados con el sistema de DDT compresión (U.S. Patente 4,318,053). El circuito DDT se enciende automáticamente para prevenir distorsión dentro de los amplificadores. MEGABASS'“ SPECIFICATIONS Power Amplifier Section: Rated Power & Load: 200W RMS per channel into 4 ohms with DDT'” compression Bi-Amp Mode: 200W RMS low pass into 4 ohms. 200W RMS high pass into 4 ohms Power at Clipping (5% THD, 1 kHz, 120 VAC Line) 210W RMS per channel into 4 ohms Frequency Response: +0. -1.5 dB, 20 Hz to 20 kHz @ 1W RMS into 4 ohms Total Harmonic Distortion: Less than 1% @ 200W RMS Hum & Noise: Greater than 80 dB below rated power Load Impedance: 4 ohms or greater Stable into any load configuration DDT’" Maximum Total Harmonic Distortion: (1 kHz) Below 3% (or 10 dB overload Power Consumption: (Domestic) 500 Watts. 50/60 Hz, 120 VAC Preamp Section: The following specs are measured @ 1 kHz with the controls preset as follows: (Unit operated in full range mode:) Bright Off (Out) Punch Off (Out) 6 dB Pad Out Chorus Off (Out) Post Gain @10 63 Hz EQ @ +3 dB 160 Hz @ +3 dB 400 Hz @ +3 db 1 kHz EQ@0dB 2.5 kHz EQ @ -3 dB 6.3 kHz EQ @ -6 dB 12 kHz EQ @ -3 dB Nominal Levels are with Pre Gain @ 5 Minimum Levels are with Pre Gain @ 10 Preamp Unbalanced Input: Impedance: High Z, 220K ohms Nominal Input Level: -26 dBV, 50 mV RMS Minimum Input Level: -50 dBV, 6 mV RMS Maximum Input Level: +8 dBV, 2.5V RMS With 6 dB Pad In: Impedance: High z, 44K ohms Nominal Input Level: -20 dBV, 100 mV RMS Minimum Input Level: -44 dBV, 6 mV RMS Maximum Input Level: +14 dBV, 5V RMS Balanced XLR Input: Impedance: 24K ohms Input levels same as Unbalanced Input Pre-EQ Send/Return: Function: Low Level Pre-EQ Effects Patch STEREO JACK (Ring): INPUT (Return) Load Impedance: 1K ohms or greater Nominal Output: -18 dBV, ,125V RMS Maximum Output: 6 dBV, 2V RMS STEREO JACK (Tip): INPUT (Return) Impedance: High Z, 50K ohms Designed Input Level: 0 dBV, 1V RMS (Switching Jack providing Pre-EQ Send to Pre-EQ Return connection when not used) Post EQ Send: Function: Medium Level Post-EQ EffectsSend Load Impedance: 1K ohms or greater Nominal Output: ...